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Knowledge
Standards & materials
EN 10297-1
EN 10297-1
Seamless circular steel tubes for mechanical and general engineering purposes – Part 1
Technology:
Hot-rolled steel tubes
Available Materials
25CrMo4
30CrMo4
34CrMo4
38Mn6
42CrMo4
C22E
C35E
C45E
C60E
E235
E275
E275K2
E355
E355K2
E420J2
Mannesmann
Companies
Management
Locations
Compliance
Whistleblower system
Jobs & Career
Job vacancies
Internships / Complementary Work
Appointment calendar
Newsroom
Products & Services
Product finder
Products
Coatings
Tube & pipe processing
Logistics
References
Sustainability
Tube and pipe technologies for transformation
CO2 reduction
Knowledge
Production processes
Tests
Standards & materials
Pipe-laying methods
Joining techniques
Innovation
Mannesmann H2ready
HPL +N Duro LCF
Mannesmann CO2ready
Next generation materials for drive shafts
Cable conduits
High-pressure hydrogen applications
Mannesmann NH3ready
MW-protect®
Steel tubes for oil-gathering systems
Drilmax drill pipes for the deepest depths
Steel tubes for cryogenic media
Concentricity-optimized rotor shafts
Mannesmann Premium Line Pipe
Downloadcenter
Brochures and data sheets
Certificates & Approvals
Declarations of performance
Environmental documentation
Corporate Policy
Publications
Terms and conditions & information for suppliers
Contact
Contact persons
International representations
Legal notice
Privacy policy
Cookie Settings